Stamp prices are traditionally in whole cent increments. That means it is difficult to target a particular percentage increase. For instance, a one-cent increase on the 42-cent stamp would have been 2.4 percent; while the two-cent increase was 4.8 percent.
The Automated Postal Center (APC) is a self-service kiosk typically placed in Post Office lobbies to provide customers with a convenient alternative to the full-service counter. APCs offer customers a wide range of postal products, services, and information.